Closed Captioning

1984 – CBS begins Line 21 closed caption

1988 – Commission on Education of the Deaf recommendation for closed captioning and decoders

1990 – Television Decoder Circuitry Act – requires captioning decoder chip in all TVs with screens greater than 13 inches after 1993

1996 – Telecommunications Act of 1996 – requires FCC to establish schedule for closed captioning

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